ЗАПИСАТЬ УРАВНЕНИЯ В ИОННОМ ВИДЕ

1)4Fe+3O2=2Fe2O3

2)Fe2O3+6HCl=2FeCl3+3H2O 

3)2FeCl3+3H2SO4=Fe2(SO4)3+6HCl

4)Fe2(SO4)3+6H2O=2Fe(OH)3+3H2SO4

5)Fe(OH)3+Na=NaFeOH 

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